Improvement in pocket cutlery



-FIGJ- Flag FIQB A construction and application to use .uma i taict ...ane

Letters Patent No. 103,352, dated May 24, 1870.

NEcTIcUT.

IMPRovEMn'NT 1N POCKET CUTLERY.

`The Schedule referrei to in these Letters P atent and-making of thesame Figure 1 represents a knife having the covering ot" the handleattached to the scales by screws.

Figure 2'is another view ofthe same with the covering 0i' one sideremoved.

Figure 3 isla side vieivof a knife, showing the scale with coverremoved, and the mode of securing the scale, back spring, andblade'together. l

Our invention relates tothe manufacture of pocketcutlery, and consistsin a method ot' first'irmly securing the scale to the back spring and tothe blade of pocket-imite, so that the strain in using vthe knife `shallall be exerted upon vthose rivets, or that part of the rivets which so,secure -thescales lto the back spring and' to-the blade; and thecovering of wood, pearl, or other material is afterward secured to thescales by screws or rivets, so that said covering is not liable toreceive any strain from the rivetswhich secure 'the parts ofthe `kniietogether, and thereby bccome broken. y

In the mannicture of pocket cutlery it has heretoy forebeen theprac-tice to secure allthe parts of a knife togetherwith' one set ofrivets; that is to say, the

scales are secured to the back spring and blade by rivets passingthrough them, and projecting through sufficiently ar to extend throughthe covering and be riveted upon each c| 1dup,ou tin.l outside of' thecovering. V l

When made in this waygah the strainand working of the rivets operates tocrack or break the covering, especially if made of ivory, pearl, orother britt-le material, and it the coveringis made of soft material,such as wood, and perhaps vhardlrubber, the strain of .l

the rivets upon the covering is so great as to cause the heads ot therivets to work down into the covering and all the partsof the knife thenbecome loose.

The object of our invention is to obviate thisob gestion, and produce aknife which is firm, and yet which has no strain exerted upon thecovering to the handle, the scales themselves bearing all the strain of`the rivets.

v.lhat others skilled iu the art may be able to make and use "ourinvention, we will procecdto describe its c c represent the scales,which aresecured to the back spring l'by means 0f the rivets n, which aeheaded down flush with the outside of the scales c.

'lhc blade b is secured in place by the rivet e, which is alsoA headeddown upon the scales c, so that, when the rivets-are all headed down,the outside of the scales shall present a generally flat surface. Y yHoles t', having a screw-thread cut therein', are then made iu thescales c, and corresponding holes are made in the covering a, which maybe of wood, pearl, hard rubber, or any other ,desirable material, andthe said covering. may then be 'attached to the scales by smallscrewsipassing through thc covering d into thc threaded holesif.

It will be seep that iu this device the working parts of lthe knife arefully operative without the covering a, which is attached for the sakeof appearance, a-nd to give a smooth and desirable form., c

Then attached in this way, the--eovering'wll not split 01 crack at thepoints where it is riveted to theI` scales, as there is no strain atthose points, while all the rivets which secure the scales, back spring,and

blade together, being headed rmly down against the v scales'c, the knifeis made much stronger and stiffer than when made in the usual manner. v1

When made according to our improved method, as

herein described, there is no necessity of any bolster at the end of thehandle to which to head the rivet 'securing the blade, and, as there isno necessity of finishing down the head of' that rivet, it is not'soliable to give way or become loose, as the head of the rivet under thecovering a maybe as large and strong as desirable, without injuring t-heappearance of the knife in the least.

IVe are aware that the covering to the scales oi' pocket-cutlery hasbeen secured to the saine by turn ing the edge ofthe scales over theedge of vthe covering, as shown in Letters Patent granted to O. H.Palmei-,April 30, 1867, and we do not claim the same,

nor any partthereoi", but, having thus described our invention, l

Vhat we claim as new, and desire to secure lby Let- .ters Patent, is-

An improvement in Y pocket-cutlery, wherein the blade l1 and back springL are first secured or riveted t0 the scales c c, and the coveringaafterward secured to the scales c by means of small screws or rivets,substantially as herein described.

WM. H. MILLER. GEO. W. MILLER.

v Witnesses:

OavILLE H. PLA'IT, JOHN Q. THAYER.

